Feature: 1. Heat treated 45# steel taps and alloy steel dies are are of good hardness, ?strong strength and long durability 2. All taps and dies are clearly marked with size for easy and fast finding 3. The tap wrench is adjustable to fit different taps and can hold tap firmly and securely 4. This set also includes screw pitch gauge that you can use to check created thread 5. This tap and die set is perfect for use on vehicles and machinery to create threads Specification: Description: This set contains many taps and dies in different size for various tapping and threading. Adjustable wrench can easily and firmly clamp taps, mainly used for hand tapping and threading operation. It is a great tool set used to cut or form the female and male portion of nuts or bolts. Features: Heat treated 45# steel taps and alloy steel dies are are of good hardness, strong strength and long durability. All taps and dies are clearly marked with size for easy and fast finding. The tap wrench is